Molding apparatus.



A. A. PAULY. MOLDING APPARATUS. APPLICATION rim-m APR. 3,1909.

Patented Ju1y 19,1910.

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INVENTOIR WITNESSES:

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Patented July 19, 1910;

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INVENTOR ATTORNEY A. A. PAULY.

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APPLICATION FILED APR.3,1909.

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A. A. PAULY.

MOLDING APPARATUS.

APPLICATION FILED APB. 3,1908

Patented July 19, 1910.

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A. A. 1 AULY.

MOLDING APPARATUS.

APPLICATION TILED APB. 3,1909. 965,005} v Patented July 19, 1910.

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A.A.PAULY.

MOLDING APPARATUS.

APPLICATION FILED APR. 3,1909.

Patented July 19,1910.

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UNITED STATES PATENT OFFICE.

ALBERT A. PAULY, OF YOUNGSTOWN, OHIO, ASSIGNOR TO THE CONCRETE STONE AND SAND COMPANY, OF YOUNGSTOWN, OHIO, A CORPORATION OF OHIO.

MOLDING APPARATUS.

Specification of Letters Patent.

Patented July 19, 1910.

Application filed April 3, 1909. Serial No. 487,722.

To all whom it may concern:

Be it known that I, ALBERT A. PAULY, a citizen of the United States, residing at Youngstown, in the county of Mahoning and State of Ohio, have invented or discovered new and useful Improvements in Molding Apparatus, of which the following is a specification.

My invention relates to apparatus for casting or molding blocks, tile, or other articles from various materials whether their union is due to chemical action, adhesion, cohesion, or other force.

I have designed the apparatus shown to form cementitious articles, such as hollow building blocks, but I do not limit the apparatus to the formation of such articles.

It is the object of the present invention to provide means for making articles of different sizes without the use of difierent molds, and to simplify the usual construction of molds.

Referring to the accompanying drawings, Figure 1 is partially an elevation and partially a vertical section of the preferred form of my molding apparatus; Fig. 2, a plan thereof, partly broken away; Fig. 3, a vertical section taken on the line 33, Fig. 1; Fig. A, a view similar to Fig. 3, but showing the mold adjusted for a larger article; Fig. 5, a perspective of the retaining clamps or pushers for the adjustable side of the mold; Fig. 6, a section on the line 66, Fig. 2; Fig. 7, a perspective of the adjustable side of the mold; Fig. 8, a plan of a modified form of my invention; and Fig. 9, a cross-section showing a third form of my invention.

Referring first to Figs. 1 to 7, 1 and 2 designate the end frames or standards on which the various parts of the molding apparatus are mounted. On the top of the standards 1 and 2, I place the molds, which are constructed as follows. The two hollow iron or steel vertical sides 3 and A having their extremities connected by the hollow iron or steel ends 5 and 6 and their central portions connected by the hollow iron or steel partition 7. The hollows of the ends 5 and 6 and of the partition 7 communicate with the hollows in the sides 3 and 1 by means of openings in the sides, one opening being shown at 8, Fig. 2. Bolts 9 pass transversely through the sides 3 and A and longitudinally through the ends 5 and 6,

and the partition 7 to clamp the sides, the ends, and the partition into a firm molding frame. The extremities of the partition 7 and the ends 5 and 6 are seated in countersinks in the sides 3 and 4c to prevent the ends and the partition from movement lengthwise of the sides. The side 3 forms one side of the two mold cavities 10 and 11, the opposite side thereof being formed by the adjustable plates or walls 12, parallel with the side 3 and extending from the respective ends to the partition, as shown on Fig. 2.

Three inverted U-shaped clamps or pushers 13 are provided to fit up and slide longitudinally of the ends 5 and 6 and the partition 7 The inner ends of the clamps engage the outer face of the plates 12 as shown on Fig. 2, to keep the plates vertical and at the desired distance from the side 3. The side A has depressions therein, as shown in Figs. 3 and 6, to receive the lateral depending sides of the clamps 13. Theouter ends of the clamps 13 are connected by the rod 14 which is parallel to the sides 3 and 4 and have their extremities secured in the nuts 15. The shafts 16 are rotatably se cured in the extension 17 on the sides 3 and 4t and are provided with hand wheels 18. The shafts are threaded to receive the nuts 15, so that by their rotation, the nuts to gether with the rod 14 and the clamps 13 will be moved toward or away from the side 3 for the adjustment of the plates 12 or for other purposes.

19 represents vertical cores arranged to form blocks with two hollows in each of the mold cavities 10 and 11. 20 represents pallets arranged to receive the said cores. The pallets rest on the tops of the lugs 21 which are narrow at the top and expand downwardly so that no seat is provided for the enlodgment of the molded material which may escape below the pallets, the inclines on the lugs conduct the escaping material down away from where it can do harm.

A horizontal cross-head or ejector plate 22 is suspended below the molds by means of the chains 23 wound on the drums 2 1 on the shafts 25. The cross-head contains a number of openings 26 to receive the lower ends of the ejector bars 27, whose upper ends are arranged to engage with the bottoms of the pallets 20. The shafts 25 are rotated through the gears 28, 29 being a pinion from which power may be applied to rotate the said gears. Preferably the partitions 12 sit on the pallets 20, as shown on Fig. 3.

It is clear that when the gears 28 are rotated in the proper direction the cross-head 22 will be raised, causing the bars 27 to eject the molded articles 30 from the molds, the said articles resting on the pallets. WVhen it is desired to mold larger articles, the ejector bars 27 beneath the plate 12 are moved to the right (Fig. 3) and placed in the proper holes 26 so that the bars will be directly under the side of the larger pallet which has been substituted for the smaller one previously used, as shown on Fig. 4. The clamps 13 will also be moved to the right (Fig. 3) as shown on Fig. 4. Fig. 4 shows the core 19 larger than the core 19 and all the parts of the apparatus adjusted for an article 3O somewhat larger than the article 30.

31 shows a number of pipes for bringing the heated fluids to the hollows of the sides, the ends, and the partition, and to the hollows of the cores, the pipes 31 being supplied with fiuid from the main pipe 32. The function of these pipes is well understood. On Fig. 8, I have shown the screws 33 arranged to engage the plates or sides 12 and operated by the hand wheels 34. I do not limit myself to anymanner of mounting these screws or causing them to rotate.

On Fig. 9, I show the cam 35 on the shaft 36, the cam bearing against the plate 12 to hold it in place. The plate can obviously be held in various positions by the cam which may be locked by the pawl 37 cooperating with the ratchet-wheel 38 on the shaft 36.

I do not limit myself to the precise elements and combinations shown and described. Obviously other sides of the mold may be adjusted as are the sides 12.

I claim- 1. A mold having its bottom adapted to be closed by pallets of different sizes, ejector bars to engage the pallets and strip the molded article thereon from the mold, an ejector plate corresponding to the largest pallet required to support the ejector bars, said plate being provided with means for holding the ejector bars in such adjustments as correspond with the various sizes of pallets used.

2. A mold having four jacketed lateral walls, one of the same being located from the opposite wall the distance required for molding the largest article desired, clamps slidable on the two remaining walls and in transverse slots in the said distant wall, an adjustable mold-wall engageable by the said clamps to hold the mold-wall in the desired adjustment, and means for adjusting the said clamps.

Signed at Youngstown, Ohio, thisiirst day of April 1909.

ALBERT A. PAULY.

lVitnesses ARTHUR R. FOSTER, WV. P. COOPER. 

